That would be A.
Most antibiotics that are used for gram positive bacteria target the peptidoglycan cell wall, but the ones for gram negative bacteria are more advanced and specific and target the cell membrane and alter the cell’s function(processes of proteins and dna/gene expression).
Decomposers also break down the bodies of dead organisms resulting in nitrogen being returned to the soil as ammonia. In some conditions denitrifying bacteria in the soil break down nitrates and return nitrogen to the air.
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Answer:It is because he did not know that plants absorb mineral elements from the soil and carbon dioxide from the air.
Explanation:
<span>The child has develop despair. During this stage the child will become less active and will show signs of sadness or depression. They will be quiet and less willing to play. After this phase the baby will become more detached and less willing to communicate.</span>
Bilaterians, for example, are all triploblastic.
<h3>Comparative embryology</h3>
Comparative embryology is a major branch of embryology that deals with comparison of the embryo of different species, thereby showing there relationships.
Triploblastic animals are those animals that have three embryonic germinal layers which include ectoderm, endoderm and mesoderm.
Learn more about comparative embryology here:
brainly.com/question/15339056
